Default to Press the Attack runes with Attack Speed, Adaptive Force, and Slow/CC Resistance shards. Flexibly choose AD (BotRK-Kraken) or AP (Guinsoo-Nashor's) builds based on your team's AP composition.
Your ultimate grants invulnerability but not CC immunity; be mindful of enemy CC when casting. Kayle's W heal is negligible, primarily use it for its movement speed buff.
Focus on a safe early game to unleash late-game carry potential; Kayle excels at securing wins when your team is ahead. Strongly consider banning Amumu to prevent devastating CC chains.